Sometimes you will leave your system running for too much of time and later you forget for how much time you had kept it running like that. Wouldn’t it be just useful if we can find the exact system boot time or uptime (the amount of time for which your computer is running since it’s turned on) of your Windows?

Here are the simple tricks that you can use in your Windows 7 or Windows Vista based computers to find the system uptime or exact boot time.